Iomega 3TB LDHD-UP3 USB3 drive won't mount
MacPro 3,1 OS 10.9.5
My Time Machine is on an external Iomega 3TB LDHD-UP3 USB3 drive - but it won't mount.
- It shows up in the USB hub in System Report - either in the normal USB2 hub - or my Inateck KT4004 USB3 PCI card's hub (in System Report)
- but it is not shown in Disk Utility.
- DiskWarrior doesn't find it.
- When I use "diskutil list" in Terminal it doesn't find it - it just shows the system disk.
Does anyone have any ideas? Thanks.
Mac Pro, OS X Mavericks (10.9.5), Model 3,1 16GB ram